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Income Taxes And Tax-Related Items (Income Taxes And Tax-Related Items) (Narrative) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Income Tax Contingency [Line Items] |  |
Unrecognized tax benefits | $ 7 |
Tax-related interest and penalties payable | 1 |
Net deferred tax assets | 1,100 | $ 1,000
Deferred Tax Assets, Other | 153 |
Deferred tax assets, operating loss carryforwards, state and local | 2 |
Deferred tax assets, federal valuation allowance | 5 |
Deferred tax assets, state valuation allowance | $ 1 | $ 1
Minimum |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards, expiration date - federal | 2028 |
Operating loss carryforwards, expiration date - state | 2028 |
Maximum |  |
Income Tax Contingency [Line Items] |  |
Operating loss carryforwards, expiration date - federal | 2032 |
Operating loss carryforwards, expiration date - state | 2042 |

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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
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